﻿using System.Net;
using System.Text;

namespace ZingBlog.Web
{
    public class BaiduHelper
    {
        public string _siteName { get; set; }
        public string _token { get; set; }
        public BaiduHelper(string siteName, string token)
        {
            _siteName = siteName;
            _token = token;
        }
        public string SubmitLink(string postData)
        {

            Stream outstream = null;
            Stream instream = null;
            StreamReader sr = null;
            HttpWebResponse response = null;
            HttpWebRequest request = null;
            Encoding encoding = Encoding.GetEncoding("gb2312");
            var data = encoding.GetBytes(postData);
            try
            {
                // 设置参数
                request = WebRequest.Create($"http://data.zz.baidu.com/urls?site={_siteName}&token={_token}") as HttpWebRequest;
                CookieContainer cookieContainer = new CookieContainer();
                request.UserAgent = "curl/7.12.1";

                request.CookieContainer = cookieContainer;
                request.AllowAutoRedirect = true;
                request.Method = "POST";

                request.ContentType = "text/plain";
                request.ContentLength = data.Length;
                outstream = request.GetRequestStream();
                outstream.Write(data, 0, data.Length);
                outstream.Close();
                //发送请求并获取相应回应数据
                response = request.GetResponse() as HttpWebResponse;
                //直到request.GetResponse()程序才开始向目标网页发送Post请求
                instream = response.GetResponseStream();
                sr = new StreamReader(instream, encoding);
                //返回结果网页（html）代码
                string content = sr.ReadToEnd();
                string err = string.Empty;
                return content;
            }
            catch (Exception ex)
            {
                string err = ex.Message;
                return err;
            }
        }
        
    }
}
